You have an Azure subscription that has five virtual machines (VMs)…

You have an Azure subscription that has five virtual machines (VMs). You provision the VMs in an availability set to support an existing web service. You anticipate additional traffic. You identify the following additional requirements for the VMs:
I. disk size 500 GB
II. IOPS per disk: 2000
III. throughput per disk 100 MB per second
IV. number of highly utilized disks: 40
V. You need to scale the service.What should you recommend?

Answer: BExplanation:
Azure Premium Storage delivers high-performance, low-latency disk support for virtual machines (VMs) with input/output (I/O)-intensive workloads. With Premium Storage, your applications can achieve 80,000 I/O operations per second (IOPS) per VM, and a disk throughput of up to 2,000 megabytes per second (MB/s) per VM.
https://azure.microsoft.com/en-gb/documentation/articles/storage-premium-storage/#premium-storagescalability-and-performance-targets